package com.ny.demo524;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Scanner;

public class Delete {
        public static void main(String[] args)throws SQLException,ClassNotFoundException {
            Connection connection =SqlConnection.getCon();
            Scanner scanner =new Scanner(System.in);
            System.out.println("请输入用户名");
            int id =scanner.nextInt();
            String sql ="delete from users where id =?";

            PreparedStatement preparedStatement=connection.prepareStatement(sql);
            preparedStatement.setInt(1,id);
            int i =preparedStatement.executeUpdate();
            if (i>0){
                System.out.println("删除成功");
            }
            else {
                System.out.println("删除失败");
            }
        }
    }
